This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
n | a(n) |
---|---|
7 | 1 |
8 | 0 |
9 | 36 |
10 | 120 |
11 | 1320 |
12 | 8712 |
13 | 70356 |
14 | 691119 |
15 | 6628050 |
16 | 55398200 |
17 | 528441056 |
18 | 5607882072 |
19 | 55953959256 |
20 | 559256993400 |
21 | 6033783063160 |
22 | 66852986570260 |
23 | 743874599106485 |
24 | 8455383000184208 |
25 | 100088596628849400 |
26 | 1202568046655647100 |
27 | 14764362076427728050 |